Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id 7BA0BB5DBEC for ; Mon, 15 Aug 2011 15:32:42 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 16626-07 for ; Mon, 15 Aug 2011 18:32:36 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sam.nabble.com (sam.nabble.com [216.139.236.26]) by mail.postgresql.org (Postfix) with ESMTP id 2E469B5DBE9 for ; Mon, 15 Aug 2011 15:32:35 -0300 (ADT) Received: from [192.168.236.26] (helo=sam.nabble.com) by sam.nabble.com with esmtp (Exim 4.72) (envelope-from ) id 1Qt1xi-00022N-NL for pgsql-performance@postgresql.org; Mon, 15 Aug 2011 11:32:34 -0700 Date: Mon, 15 Aug 2011 11:32:34 -0700 (PDT) From: hyelluas To: pgsql-performance@postgresql.org Message-ID: <1313433154717-4701919.post@n5.nabble.com> In-Reply-To: References: <1313184591789-4694681.post@n5.nabble.com> Subject: Re: How to see memory usage using explain analyze ? MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-0.778 tagged_above=-10 required=5 tests=BAYES_00=-1.9, URI_HEX=1.122 X-Spam-Level: X-Archive-Number: 201108/167 X-Sequence-Number: 44614 Igor, thank you , my tests showed better performance against the larger summary tables when I splited the index for datasource_id & datex , I use to have a composed index. Regarding that index statistics - should I analyze the tables? I thought auto vacuum takes care of it. helen -- View this message in context: http://postgresql.1045698.n5.nabble.com/How-to-see-memory-usage-using-explain-analyze-tp4694962p4701919.html Sent from the PostgreSQL - performance mailing list archive at Nabble.com.